US20190093558A1 - Integrated inlet particle separator (ips) blower/engine starter - Google Patents
Integrated inlet particle separator (ips) blower/engine starter Download PDFInfo
- Publication number
- US20190093558A1 US20190093558A1 US15/717,125 US201715717125A US2019093558A1 US 20190093558 A1 US20190093558 A1 US 20190093558A1 US 201715717125 A US201715717125 A US 201715717125A US 2019093558 A1 US2019093558 A1 US 2019093558A1
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- US
- United States
- Prior art keywords
- ips
- blower
- inlet
- engine starter
- engine
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
- F02C7/05—Air intakes for gas-turbine plants or jet-propulsion plants having provisions for obviating the penetration of damaging objects or particles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/26—Starting; Ignition
- F02C7/268—Starting drives for the rotor, acting directly on the rotor of the gas turbine to be started
- F02C7/275—Mechanical drives
- F02C7/277—Mechanical drives the starter being a separate turbine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D19/00—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/26—Starting; Ignition
- F02C7/268—Starting drives for the rotor, acting directly on the rotor of the gas turbine to be started
- F02C7/275—Mechanical drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
- B64D33/02—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
- B64D2033/0246—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes comprising particle separators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
- F02C7/05—Air intakes for gas-turbine plants or jet-propulsion plants having provisions for obviating the penetration of damaging objects or particles
- F02C7/052—Air intakes for gas-turbine plants or jet-propulsion plants having provisions for obviating the penetration of damaging objects or particles with dust-separation devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/26—Starting; Ignition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
- F05D2220/329—Application in turbines in gas turbines in helicopters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/60—Fluid transfer
- F05D2260/607—Preventing clogging or obstruction of flow paths by dirt, dust, or foreign particles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/85—Starting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Definitions
- Exemplary embodiments pertain to the art of engines and, more particularly, to an integrated inlet particle separator (IPS) blower/engine starter.
- IPS integrated inlet particle separator
- Many vehicles include a prime mover that is coupled to a gearbox.
- the gearbox is coupled to a driving member such as wheels, rotors and the like.
- Certain vehicles, such as aircraft may include an engine starter coupled to a prime mover accessory gearbox.
- the engine starter may take the form of a turbomachine that is powered by a stream of fluids, such as high velocity air, delivered from an auxiliary power unit (APU), another engine or the like.
- APU auxiliary power unit
- Prime movers such as those employed in aircraft, may also include an inlet particle separator (IPS) blower coupled to the prime mover accessory gearbox.
- IPS inlet particle separator
- the IPS employs a cyclonic stream of fluids, such as air, to separate particles from an inlet airflow.
- the stream of air is generated by the IPS blower.
- the inlet airflow is then passed to the prime mover substantially particle free.
- the substantially particle free air flow reduces wear on prime mover components.
- the need for a separate IPS blower and starter adds weight to the vehicle and increases parts inventory costs.
- an integrated inlet particle separator (IPS) blower/engine starter including a housing having an inlet and an outlet.
- a turbine member is rotatably supported in the housing.
- a geared member operatively connected to the turbine member extends outward from the housing.
- the integrated IPS blower/engine starter is operable in a first configuration receiving a first fluid flow to rotate the geared member and in a second configuration generating a fluid flow through powered rotation of the geared member.
- further embodiments could include an inlet conduit coupled to the inlet, the inlet conduit including a first valve fluidically connectable to an IPS and a second valve fluidically connectable to an engine starting system.
- a vehicle including a prime mover, an engine accessory gearbox coupled to the prime mover, an inlet particle separator fluidically connected to the prime mover, and an integrated inlet particle separator (IPS) blower/engine starter including a housing having an inlet and an outlet.
- a turbine member is rotatably supported in the housing.
- a geared member operatively connected to the turbine member extends outward from the housing and mechanically connects to the engine accessory gearbox.
- the integrated IPS blower/engine starter is operable in a first configuration receiving a first fluid flow to rotate the geared member and initiate activation of the prime mover and in a second configuration generating a fluid flow through powered rotation of the geared member by the prime mover.
- further embodiments could include an inlet conduit coupled to the inlet, the inlet conduit including a conduit having a first valve fluidically connected to the IPS and a second conduit having a second valve fluidically connectable to an engine starting system.
- further embodiments could include a plurality of rotor blades operatively connected with the prime mover.
- a method of operating a vehicle including operating an integrated inlet particle separator (IPS) blower/engine starter in a first configuration comprising passing a first fluid flow from an engine starting system into the integrated IPS blower/engine starter to rotate an engine accessory gearbox and initiate activation of a prime mover, and operating the IPS blower/engine starter in a second configuration comprising driving a turbine portion of the IPS blower/engine starter with the prime mover to generate an IPS flow.
- IPS integrated inlet particle separator
- passing the first fluid flow into the integrated IPS blower/engine starter includes opening a first valve fluidically connected to an inlet of the IPS blower and engine starter.
- passing the second fluid flow into the integrated IPS blower/engine starter includes opening a second valve fluidically connected between an engine starting system and the inlet of the integrated IPS blower/engine starter.
- rotating the prime mover includes driving an engine accessory gearbox mechanically connected between the turbine portion and the prime mover.
- FIG. 1 depicts a vehicle, in the form of a vertical take-off and landing (VTOL) aircraft including an integrated inlet particle separator (IPS) blower/engine starter, in accordance with an aspect of an exemplary embodiment; and
- VTOL vertical take-off and landing
- IPS integrated inlet particle separator
- FIG. 2 depicts a block diagram illustrating the integrated IPS blower/engine starter, in accordance with an exemplary embodiment.
- FIG. 1 depicts a vertical takeoff and landing (VTOL) aircraft 10 including a main rotor system 12 , which rotates about a main rotor axis R.
- Main rotor system 12 includes a plurality of rotor blades 20 .
- Plurality of rotor blades 20 is mounted to a rotor hub 24 .
- Main rotor system 12 is driven by a gearbox 28 coupled to one or more prime movers, indicated generally at 30 .
- Prime mover(s) 30 may also be coupled to a prime mover or engine accessory gearbox 32 .
- Aircraft 10 includes an extending tail 40 that supports a tail rotor system 42 including a plurality of tail rotor blades, indicted generally at 44 .
- Tail rotor system 42 may be operatively coupled to gearbox 28 through a drive shaft (not shown).
- An inlet particle separator (IPS) system 50 is provided on aircraft 10 . IPS system 50 removes particulate matter from an airstream passing to the one or more prime movers 30 .
- vehicle 10 includes an integrated IPS blower/engine starter 60 operatively connected to engine accessory gearbox 32 .
- integrated IPS blower/engine starter 60 includes a housing 74 having an inlet 76 and an outlet 77 .
- Housing 74 supports a turbine member 80 operatively connected to a geared member 82 .
- Geared member 82 includes a shaft 83 , a first end 84 and a second end 85 .
- First end 84 is mechanically connected to turbine member 80
- second end 85 supports a gear element 87 that is mechanically linked to a gear system (not shown) arranged in engine accessory gearbox 32 .
- an inlet conduit 90 is connected to inlet 76 and an outlet conduit 92 is connected to outlet 77 .
- Outlet conduit 92 may deliver fluids passing through integrated IPS blower/engine starter 60 to ambient.
- a first branch conduit 97 is fluidically connected between IPS 50 and inlet conduit 90 .
- a second branch conduit 100 may be selectively connected between inlet conduit 90 and an engine starting system 110 .
- Engine starting system 110 may take on a variety of forms including an auxiliary power unit (APU), another engine, another aircraft, and the like.
- APU auxiliary power unit
- a first valve 116 may be fluidically connected with first branch conduit 97 and a second valve 118 may be fluidically connected to second branch conduit 100 .
- Integrated IPS blower/engine starter 60 may be operated in a first configuration or starting mode and in a second configuration or IPS blower mode in accordance with an exemplary aspect.
- engine starting system 110 is connected to second branch conduit 100 .
- First valve 116 is closed and second valve 118 is opened.
- a stream of fluids, such as pressurized air, is passed into housing 74 and interacts with turbine member 80 .
- Turbine member 80 drives engine accessory gearbox 32 to start rotation of prime mover(s) 30 .
- the fluids passing through housing 74 may be directed to ambient.
- integrated IPS blower/engine starter 60 may be operated to generate an airflow for IPS system 50 . More specifically, in the second configuration, first valve 116 is opened and second valve 118 is closed. Engine accessory gearbox 28 drives turbine member 80 to create a fluid flow. The fluid flow draws in an airflow through IPS system 50 . The airflow is cleaned of entrained particulate in IPS system 50 and passed from prime movers 30 .
- the exemplary embodiments describe a system that can both promote engine starting and generate an airflow for the IPS system. By combining two systems into a single unit, the exemplary embodiment reduces vehicle weight, parts inventory and maintenance.
Abstract
Description
- Exemplary embodiments pertain to the art of engines and, more particularly, to an integrated inlet particle separator (IPS) blower/engine starter.
- Many vehicles include a prime mover that is coupled to a gearbox. The gearbox is coupled to a driving member such as wheels, rotors and the like. Certain vehicles, such as aircraft, may include an engine starter coupled to a prime mover accessory gearbox. The engine starter may take the form of a turbomachine that is powered by a stream of fluids, such as high velocity air, delivered from an auxiliary power unit (APU), another engine or the like. The stream of fluids act upon the engine starter to initiate operation of the prime mover.
- Prime movers, such as those employed in aircraft, may also include an inlet particle separator (IPS) blower coupled to the prime mover accessory gearbox. The IPS employs a cyclonic stream of fluids, such as air, to separate particles from an inlet airflow. The stream of air is generated by the IPS blower. The inlet airflow is then passed to the prime mover substantially particle free. The substantially particle free air flow reduces wear on prime mover components. However, the need for a separate IPS blower and starter adds weight to the vehicle and increases parts inventory costs.
- Disclosed is an integrated inlet particle separator (IPS) blower/engine starter including a housing having an inlet and an outlet. A turbine member is rotatably supported in the housing. A geared member operatively connected to the turbine member extends outward from the housing. The integrated IPS blower/engine starter is operable in a first configuration receiving a first fluid flow to rotate the geared member and in a second configuration generating a fluid flow through powered rotation of the geared member.
- In addition to one or more of the features described above or below, or as an alternative, further embodiments could include an inlet conduit coupled to the inlet, the inlet conduit including a first valve fluidically connectable to an IPS and a second valve fluidically connectable to an engine starting system.
- Also disclosed is a vehicle including a prime mover, an engine accessory gearbox coupled to the prime mover, an inlet particle separator fluidically connected to the prime mover, and an integrated inlet particle separator (IPS) blower/engine starter including a housing having an inlet and an outlet. A turbine member is rotatably supported in the housing. A geared member operatively connected to the turbine member extends outward from the housing and mechanically connects to the engine accessory gearbox. The integrated IPS blower/engine starter is operable in a first configuration receiving a first fluid flow to rotate the geared member and initiate activation of the prime mover and in a second configuration generating a fluid flow through powered rotation of the geared member by the prime mover.
- In addition to one or more of the features described above or below, or as an alternative, further embodiments could include an inlet conduit coupled to the inlet, the inlet conduit including a conduit having a first valve fluidically connected to the IPS and a second conduit having a second valve fluidically connectable to an engine starting system.
- In addition to one or more of the features described above or below, or as an alternative, further embodiments could include a plurality of rotor blades operatively connected with the prime mover.
- Further disclosed is a method of operating a vehicle including operating an integrated inlet particle separator (IPS) blower/engine starter in a first configuration comprising passing a first fluid flow from an engine starting system into the integrated IPS blower/engine starter to rotate an engine accessory gearbox and initiate activation of a prime mover, and operating the IPS blower/engine starter in a second configuration comprising driving a turbine portion of the IPS blower/engine starter with the prime mover to generate an IPS flow.
- In addition to one or more of the features described above or below, or as an alternative, further embodiments could include wherein passing the first fluid flow into the integrated IPS blower/engine starter includes opening a first valve fluidically connected to an inlet of the IPS blower and engine starter.
- In addition to one or more of the features described above or below, or as an alternative, further embodiments could include wherein passing the second fluid flow into the integrated IPS blower/engine starter includes opening a second valve fluidically connected between an engine starting system and the inlet of the integrated IPS blower/engine starter.
- In addition to one or more of the features described above or below, or as an alternative, further embodiments could include wherein rotating the prime mover includes driving an engine accessory gearbox mechanically connected between the turbine portion and the prime mover.
- The following descriptions should not be considered limiting in any way. With reference to the accompanying drawings, like elements are numbered alike:
-
FIG. 1 depicts a vehicle, in the form of a vertical take-off and landing (VTOL) aircraft including an integrated inlet particle separator (IPS) blower/engine starter, in accordance with an aspect of an exemplary embodiment; and -
FIG. 2 depicts a block diagram illustrating the integrated IPS blower/engine starter, in accordance with an exemplary embodiment. - A detailed description of one or more embodiments of the disclosed apparatus and method are presented herein by way of exemplification and not limitation with reference to the Figures.
-
FIG. 1 depicts a vertical takeoff and landing (VTOL)aircraft 10 including amain rotor system 12, which rotates about a main rotor axis R.Main rotor system 12 includes a plurality ofrotor blades 20. Plurality ofrotor blades 20 is mounted to arotor hub 24.Main rotor system 12 is driven by agearbox 28 coupled to one or more prime movers, indicated generally at 30. Prime mover(s) 30 may also be coupled to a prime mover orengine accessory gearbox 32.Aircraft 10 includes an extendingtail 40 that supports atail rotor system 42 including a plurality of tail rotor blades, indicted generally at 44.Tail rotor system 42 may be operatively coupled togearbox 28 through a drive shaft (not shown). An inlet particle separator (IPS)system 50 is provided onaircraft 10.IPS system 50 removes particulate matter from an airstream passing to the one or moreprime movers 30. - In accordance with an exemplary aspect,
vehicle 10 includes an integrated IPS blower/engine starter 60 operatively connected toengine accessory gearbox 32. Referring toFIG. 2 , integrated IPS blower/engine starter 60 includes ahousing 74 having aninlet 76 and anoutlet 77.Housing 74 supports aturbine member 80 operatively connected to a gearedmember 82. Gearedmember 82 includes ashaft 83, afirst end 84 and asecond end 85.First end 84 is mechanically connected toturbine member 80, andsecond end 85 supports agear element 87 that is mechanically linked to a gear system (not shown) arranged inengine accessory gearbox 32. - In further accordance with an exemplary embodiment, an
inlet conduit 90 is connected toinlet 76 and anoutlet conduit 92 is connected tooutlet 77.Outlet conduit 92 may deliver fluids passing through integrated IPS blower/engine starter 60 to ambient. Afirst branch conduit 97 is fluidically connected between IPS 50 andinlet conduit 90. Asecond branch conduit 100 may be selectively connected betweeninlet conduit 90 and anengine starting system 110.Engine starting system 110 may take on a variety of forms including an auxiliary power unit (APU), another engine, another aircraft, and the like. - In still further accordance with an exemplary embodiment, a
first valve 116 may be fluidically connected withfirst branch conduit 97 and asecond valve 118 may be fluidically connected tosecond branch conduit 100. Integrated IPS blower/engine starter 60 may be operated in a first configuration or starting mode and in a second configuration or IPS blower mode in accordance with an exemplary aspect. In the first configuration,engine starting system 110 is connected tosecond branch conduit 100.First valve 116 is closed andsecond valve 118 is opened. A stream of fluids, such as pressurized air, is passed intohousing 74 and interacts withturbine member 80. Turbinemember 80 drivesengine accessory gearbox 32 to start rotation of prime mover(s) 30. The fluids passing throughhousing 74 may be directed to ambient. - In the second configuration, integrated IPS blower/
engine starter 60 may be operated to generate an airflow forIPS system 50. More specifically, in the second configuration,first valve 116 is opened andsecond valve 118 is closed.Engine accessory gearbox 28drives turbine member 80 to create a fluid flow. The fluid flow draws in an airflow throughIPS system 50. The airflow is cleaned of entrained particulate inIPS system 50 and passed fromprime movers 30. Thus, it should be understood that the exemplary embodiments describe a system that can both promote engine starting and generate an airflow for the IPS system. By combining two systems into a single unit, the exemplary embodiment reduces vehicle weight, parts inventory and maintenance. - The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present disclosure. As used herein, the singular forms “a”, “an” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms “comprises” and/or “comprising,” when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, element components, and/or groups thereof.
- While the present disclosure has been described with reference to an exemplary embodiment or embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the present disclosure. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the present disclosure without departing from the essential scope thereof. Therefore, it is intended that the present disclosure not be limited to the particular embodiment disclosed as the best configuration contemplated for carrying out this present disclosure, but that the present disclosure will include all embodiments falling within the scope of the claims.
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US15/717,125 US10519867B2 (en) | 2017-09-27 | 2017-09-27 | Integrated inlet particle separator (IPS) blower/engine starter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US15/717,125 US10519867B2 (en) | 2017-09-27 | 2017-09-27 | Integrated inlet particle separator (IPS) blower/engine starter |
Publications (2)
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US20190093558A1 true US20190093558A1 (en) | 2019-03-28 |
US10519867B2 US10519867B2 (en) | 2019-12-31 |
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US15/717,125 Active 2038-07-26 US10519867B2 (en) | 2017-09-27 | 2017-09-27 | Integrated inlet particle separator (IPS) blower/engine starter |
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Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2692476A (en) * | 1950-11-13 | 1954-10-26 | Boeing Co | Gas turbine engine air starting motor constituting air supply mechanism |
US3145532A (en) * | 1961-07-27 | 1964-08-25 | Plessey Co Ltd | Gas-turbine operated engine starters |
US20120131900A1 (en) | 2010-11-30 | 2012-05-31 | General Electric Company | Inlet particle separator system |
WO2014092778A1 (en) * | 2012-12-10 | 2014-06-19 | United Technologies Corporation | Dual filtration particle separator |
US10100744B2 (en) * | 2015-06-19 | 2018-10-16 | The Boeing Company | Aircraft bleed air and engine starter systems and related methods |
US20170370287A1 (en) * | 2016-06-22 | 2017-12-28 | Honeywell International Inc. | Inlet particle separator system with pre-cleaner flow passage |
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2017
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